Display screen or portion thereof with graphical user interface



The FIGURE is a front view of the claimed design for a display screen or portion thereof with graphical user interface.

The uneven-length broken lines depict boundaries of the claimed design and form no part thereof. The even-length broken lines showing the rest of the display screen or portion thereof with graphical user interface depict environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 